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0.307083
2012 Jan 18
0
examine grouped data lmList
...<- groupedData(mathach ~ ses | school, data=Bryk[is.element(school,
pub),])/
what am I doing wrong?
cat <- sample(unique(data$v5[v6=0,]), 20)
But Error in NextMethod("[") : first argument invalid
Find attached the data I'm working with.
http://r.789695.n4.nabble.com/file/n4307083/data data
Thanks in advance, user at host.com
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